package com.banmajio.util;

import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.TimeUnit;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.BoundListOperations;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.stereotype.Component;
import org.springframework.util.CollectionUtils;

/**
 * @Title RedisUtil.java
 * @description redis工具类
 * @time 2020年7月16日 上午10:53:15
 * @author banmajio
 **/
@Component
public class RedisUtil {

	@Autowired
	private RedisTemplate<String, Object> redisTemplate;

	public RedisUtil(RedisTemplate<String, Object> redisTemplate) {
		this.redisTemplate = redisTemplate;
	}

	/**
	 * @Title: expire
	 * @Description:指定缓存失效时间
	 * @param key  键
	 * @param time 时间（秒）
	 * @return boolean
	 **/
	public boolean expire(String key, long time) {
		try {
			if (time > 0) {
				redisTemplate.expire(key, time, TimeUnit.SECONDS);
			}
			return true;
		} catch (Exception e) {
			e.printStackTrace();
			return false;
		}
	}

	/**
	 * @Title: getExpire
	 * @Description: 根据key获取过期时间
	 * @param key 不能为null
	 * @return long 返回0代表永久有效
	 **/
	public long getExpire(String key) {
		return redisTemplate.getExpire(key, TimeUnit.SECONDS);
	}

	/**
	 * @Title: hasKey
	 * @Description:判断key是否存在
	 * @param key
	 * @return boolean
	 **/
	public boolean hasKey(String key) {
		try {
			return redisTemplate.hasKey(key);
		} catch (Exception e) {
			e.printStackTrace();
			return false;
		}
	}

	/**
	 * @Title: del
	 * @Description: 删除缓存
	 * @param key
	 * @return void
	 **/
	@SuppressWarnings("unchecked")
	public void del(String... key) {
		if (null != key && key.length > 0) {
			if (key.length == 1) {
				redisTemplate.delete(key[0]);
			} else {
				redisTemplate.delete(CollectionUtils.arrayToList(key));
			}
		}
	}

	/**
	 * @Title: get
	 * @Description:普通缓存获取
	 * @param key
	 * @return Object
	 **/
	public Object get(String key) {
		return key == null ? null : redisTemplate.opsForValue().get(key);
	}

	/**
	 * @Title: set
	 * @Description:普通缓存放入
	 * @param key
	 * @param value
	 * @return boolean
	 **/
	public boolean set(String key, Object value) {
		try {
			redisTemplate.opsForValue().set(key, value);
			return true;
		} catch (Exception e) {
			e.printStackTrace();
			return false;
		}
	}

	/**
	 * @Title: set
	 * @Description:普通缓存放入并设置时间
	 * @param key
	 * @param value
	 * @param time  时间(秒) time要大于0 如果time小于等于0 将设置无限期
	 * @return boolean
	 **/
	public boolean set(String key, Object value, long time) {
		try {
			if (time > 0) {
				redisTemplate.opsForValue().set(key, value, time, TimeUnit.SECONDS);
			} else {
				set(key, value);
			}
			return true;
		} catch (Exception e) {
			e.printStackTrace();
			return false;
		}
	}

	/**
	 * @Title: decr
	 * @Description:递增
	 * @param key
	 * @param delta 要增加几(大于0)
	 * @return long
	 **/
	public long incr(String key, long delta) {
		if (delta < 0) {
			throw new RuntimeException("递增因子必须大于0");
		}
		return redisTemplate.opsForValue().increment(key, delta);
	}

	/**
	 * @Title: decr
	 * @Description:递减
	 * @param key
	 * @param delta 要减少几(大于0)
	 * @return long
	 **/
	public long decr(String key, long delta) {
		if (delta < 0) {
			throw new RuntimeException("递减因子必须大于0");
		}
		return redisTemplate.opsForValue().increment(key, -delta);
	}

//	================================Map========================================

	/**
	 * @Title: hget
	 * @Description:获取hash表value
	 * @param key
	 * @param item
	 * @return Object
	 **/
	public Object hget(String key, String item) {
		return redisTemplate.opsForHash().get(key, item);
	}

	/**
	 * @Title: hmget
	 * @Description:获取hash表中的键值对
	 * @param key
	 * @return Map<Object,Object>
	 **/
	public Map<Object, Object> hmget(String key) {
		return redisTemplate.opsForHash().entries(key);
	}

	/**
	 * @Title: hmset
	 * @Description: 向名称为key的hash中添加map集合的键值对
	 * @param key
	 * @param map
	 * @return boolean
	 **/
	public boolean hmset(String key, Map<String, Object> map) {
		try {
			redisTemplate.opsForHash().putAll(key, map);
			return true;
		} catch (Exception e) {
			e.printStackTrace();
			return false;
		}
	}

	/**
	 * @Title: hmset
	 * @Description:向名称为key的hash中添加map集合的键值对 并设置时间
	 * @param key
	 * @param map
	 * @param time
	 * @return boolean
	 **/
	public boolean hmset(String key, Map<String, Object> map, long time) {
		try {
			redisTemplate.opsForHash().putAll(key, map);
			if (time > 0) {
				expire(key, time);
			}
			return true;
		} catch (Exception e) {
			e.printStackTrace();
			return false;
		}
	}

	/**
	 * @Title: hset
	 * @Description:向hash表中添加key<->value数据，如果不存在则创建
	 * @param key   键
	 * @param item  项
	 * @param value 值
	 * @return boolean
	 **/
	public boolean hset(String key, String hashkey, Object value) {
		try {
			redisTemplate.opsForHash().put(key, hashkey, value);
			return true;
		} catch (Exception e) {
			e.printStackTrace();
			return false;
		}
	}

	/**
	 * @Title: hset
	 * @Description:向hash表中添加key<->value数据，如果不存在则创建 并设置过期时间
	 * @param key
	 * @param item
	 * @param value
	 * @param time  注意:如果已存在的hash表有时间,这里将会替换原有的时间
	 * @return boolean
	 **/
	public boolean hset(String key, String item, Object value, long time) {
		try {
			redisTemplate.opsForHash().put(key, item, value);
			if (time > 0) {
				expire(key, time);
			}
			return true;
		} catch (Exception e) {
			e.printStackTrace();
			return false;
		}
	}

	/**
	 * @Title: hdel
	 * @Description: 删除hash中的值
	 * @param key
	 * @param hashKey
	 * @return void
	 **/
	public void hdel(String key, Object... hashKey) {
		redisTemplate.opsForHash().delete(key, hashKey);
	}

	/**
	 * @Title: hHashKey
	 * @Description:判断hash中是否有该项的值
	 * @param key
	 * @param hashKey
	 * @return boolean
	 **/
	public boolean hHashKey(String key, String hashKey) {
		return redisTemplate.opsForHash().hasKey(key, hashKey);
	}

	/**
	 * @Title: hincr
	 * @Description: hash递增 如果不存在,就会创建一个 并把新增后的值返回
	 * @param key
	 * @param item
	 * @param by   要增加几(大于0)
	 * @return double
	 **/
	public double hincr(String key, String item, double by) {
		return redisTemplate.opsForHash().increment(key, item, by);
	}

	/**
	 * @Title: hdecr
	 * @Description: hash递增
	 * @param key
	 * @param item
	 * @param by   要减少记(小于0)
	 * @return double
	 **/
	public double hdecr(String key, String item, double by) {
		return redisTemplate.opsForHash().increment(key, item, -by);
	}

	// ============================set=============================

	/**
	 * @Title: sGet
	 * @Description: 根据key获取Set中的所有值
	 * @param key
	 * @return
	 * @return Set<Object>
	 **/
	public Set<Object> sGet(String key) {
		try {
			return redisTemplate.opsForSet().members(key);
		} catch (Exception e) {
			e.printStackTrace();
			return null;
		}
	}

	/**
	 * @Title: sHasKey
	 * @Description:根据value从一个set中查询,是否存在
	 * @param key
	 * @param value
	 * @return boolean
	 **/
	public boolean sHasKey(String key, Object value) {
		try {
			return redisTemplate.opsForSet().isMember(key, value);
		} catch (Exception e) {
			e.printStackTrace();
			return false;
		}
	}

	/**
	 * @Title: sSet
	 * @Description:将数据放入set缓存
	 * @param key
	 * @param values
	 * @return long
	 **/
	public long sSet(String key, Object... values) {
		try {
			return redisTemplate.opsForSet().add(key, values);
		} catch (Exception e) {
			e.printStackTrace();
			return 0;
		}
	}

	/**
	 * @Title: sSetAndTime
	 * @Description:将set数据放入缓存 并设置过期时间
	 * @param key
	 * @param time
	 * @param values
	 * @return long
	 **/
	public long sSetAndTime(String key, long time, Object... values) {
		try {
			Long count = redisTemplate.opsForSet().add(key, values);
			if (time > 0) {
				expire(key, time);
			}
			return count;
		} catch (Exception e) {
			e.printStackTrace();
			return 0;
		}
	}

	/**
	 * @Title: sGetSetSize
	 * @Description:获取set缓存的长度
	 * @param key
	 * @return long
	 **/
	public long sGetSetSize(String key) {
		try {
			return redisTemplate.opsForSet().size(key);
		} catch (Exception e) {
			e.printStackTrace();
			return 0;
		}
	}

	/**
	 * @Title: setRemove
	 * @Description:移除set中的元素
	 * @param key
	 * @param values
	 * @return
	 * @return long
	 **/
	public long setRemove(String key, Object... values) {
		try {
			Long count = redisTemplate.opsForSet().remove(key, values);
			return count;
		} catch (Exception e) {
			e.printStackTrace();
			return 0;
		}
	}
	// ===============================list=================================

	/**
	 * @Title: lGet
	 * @Description:获取list缓存的内容
	 * @param key
	 * @param start
	 * @param end
	 * @return List<Object>
	 **/
	public List<Object> lGet(String key, long start, long end) {
		try {
			return redisTemplate.opsForList().range(key, start, end);
		} catch (Exception e) {
			e.printStackTrace();
			return null;
		}
	}

	/**
	 * @Title: lGetListSize
	 * @Description: 获取list缓存的长度
	 * @param key
	 * @return long
	 **/
	public long lGetListSize(String key) {
		try {
			return redisTemplate.opsForList().size(key);
		} catch (Exception e) {
			e.printStackTrace();
			return 0;
		}
	}

	/**
	 * @Title: lGetIndex
	 * @Description:通过索引 获取list中的值
	 * @param key
	 * @param index 索引 index>=0时， 0 表头，1 第二个元素，依次类推；index<0时，-1，表尾，-2倒数第二个元素，依次类推
	 * @return Object
	 **/
	public Object lGetIndex(String key, long index) {
		try {
			return redisTemplate.opsForList().index(key, index);
		} catch (Exception e) {
			e.printStackTrace();
			return null;
		}
	}

	/**
	 * @Title: lSet
	 * @Description: 向右添加元素
	 * @param key
	 * @param value
	 * @return boolean
	 **/
	public boolean lSet(String key, Object value) {
		try {
			redisTemplate.opsForList().rightPush(key, value);
			return true;
		} catch (Exception e) {
			e.printStackTrace();
			return false;
		}
	}

	/**
	 * @Title: lSet
	 * @Description: 向右添加元素并设置过期时间
	 * @param key
	 * @param value
	 * @param time
	 * @return boolean
	 **/
	public boolean lSet(String key, Object value, long time) {
		try {
			redisTemplate.opsForList().rightPush(key, value);
			if (time > 0) {
				expire(key, time);
			}
			return true;
		} catch (Exception e) {
			e.printStackTrace();
			return false;
		}
	}

	/**
	 * @Title: lSet
	 * @Description:将list加入缓存
	 * @param key
	 * @param value
	 * @return boolean
	 **/
	public boolean lSet(String key, List<Object> value) {
		try {
			redisTemplate.opsForList().rightPushAll(key, value);
			return true;
		} catch (Exception e) {
			e.printStackTrace();
			return false;
		}
	}

	/**
	 * @Title: lSet
	 * @Description:将list加入缓存，并设置时间
	 * @param key
	 * @param value
	 * @param time
	 * @return boolean
	 **/
	public boolean lSet(String key, List<Object> value, long time) {
		try {
			redisTemplate.opsForList().rightPushAll(key, value);
			if (time > 0) {
				expire(key, time);
			}
			return true;
		} catch (Exception e) {
			e.printStackTrace();
			return false;
		}
	}

	/**
	 * @Title: lUpdateIndex
	 * @Description: 根据索引修改list中的某条数据
	 * @param key
	 * @param index
	 * @param value
	 * @return boolean
	 **/
	public boolean lUpdateIndex(String key, long index, Object value) {
		try {
			redisTemplate.opsForList().set(key, index, value);
			return true;
		} catch (Exception e) {
			e.printStackTrace();
			return false;
		}
	}

	/**
	 * @Title: lRemove
	 * @Description:移除n个值为value的元素
	 * @param key
	 * @param count
	 * @param value
	 * @return long
	 **/
	public long lRemove(String key, long count, Object value) {
		try {
			Long remove = redisTemplate.opsForList().remove(key, count, value);
			return remove;
		} catch (Exception e) {
			e.printStackTrace();
			return 0;
		}
	}

	/**
	 * @Title: keys
	 * @Description:模糊查询获取key值
	 * @param pattern
	 * @return Set<String>
	 **/
	public Set<String> keys(String pattern) {
		return redisTemplate.keys(pattern);
	}

	/**
	 * @Title: convertAndSend
	 * @Description: 使用Redis的消息队列
	 * @param channel
	 * @param message
	 * @return void
	 **/
	public void convertAndSend(String channel, Object message) {
		redisTemplate.convertAndSend(channel, message);
	}

	// =========BoundListOperations 用法 start============

	/**
	 * @Title: addToListRight
	 * @Description:将数据添加到Redis的list中（从右边添加）
	 * @param listKey
	 * @param expireEnum
	 * @param values
	 * @return void
	 **/
//	public void addToListRight(String listKey, Status.ExpireEnum expireEnum, Object... values) {
//		// 绑定操作
//		BoundListOperations<String, Object> boundValueOperations = redisTemplate.boundListOps(listKey);
//		// 插入数据
//		boundValueOperations.rightPushAll(values);
//		// 设置过期时间
//		boundValueOperations.expire(expireEnum.getTime(), expireEnum.getTimeUnit());
//	}

	/**
	 * @Title: rangeList
	 * @Description: 根据起始结束序号遍历Redis中的list
	 * @param listKey
	 * @param start
	 * @param end
	 * @return List<Object>
	 **/
	public List<Object> rangeList(String listKey, long start, long end) {
		// 绑定操作
		BoundListOperations<String, Object> boundValueOperations = redisTemplate.boundListOps(listKey);
		// 查询数据
		return boundValueOperations.range(start, end);
	}

	/**
	 * @Title: rifhtPop
	 * @Description:
	 * @param listKey
	 * @return
	 * @return Object
	 **/
	public Object rifhtPop(String listKey) {
		// 绑定操作
		BoundListOperations<String, Object> boundValueOperations = redisTemplate.boundListOps(listKey);
		return boundValueOperations.rightPop();
	}
}
